class AssistTask:
    project = None
    sprint = 0
    requirement = None
    task = None
    children = None
    who = None
    start_in_plan = None
    end_in_plan = None
    type_of_work_estimation = []
    status = None
    time_of_work = None
    id = None


class AssistProgress:
    id = None
    valid_minutes = 0
    start_at = None
    end_at = None
    who = None
    remark = None
